CN203232104U - Portable motor noise analyzer - Google Patents
Portable motor noise analyzer Download PDFInfo
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- CN203232104U CN203232104U CN 201320186505 CN201320186505U CN203232104U CN 203232104 U CN203232104 U CN 203232104U CN 201320186505 CN201320186505 CN 201320186505 CN 201320186505 U CN201320186505 U CN 201320186505U CN 203232104 U CN203232104 U CN 203232104U
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Abstract
The utility model relates to a portable motor noise analyzer comprising a mainboard circuit. The mainboard circuit is connected with a power supply, a man-machine interaction circuit, a communication circuit and a noise testing circuit. The mainboard circuit is also connected with a positioning module, the power supply is used for providing power for the mainboard circuit, the man-machine interaction circuit is used for providing identification for a user, the communication circuit is used for analyzing test results, the noise testing circuit is used for testing motor noises and the positioning module is used for obtaining the horizontal distance, the height difference and the included angle information of the motor noise analyzer and the motor. By integrating the embedded technology and positioning and noise testing, the portable motor noise analyzer provided by the utility model is easier for people to use and saves much more energy.
Description
Technical field
The utility model relates to the motor noise analysis technical field, particularly relates to a kind of portable electric machine noise analysis instrument.
Background technology
The motor noise tester is one of indispensable testing tool of motor manufacturing enterprise, and necessary means can be provided the quantitative analysis of motor noise.But the sound intensity of the measurement motor noise that the prior motor noise can only be single, and need other supplementary means that testing tool is positioned, to reach test request, brought great inconvenience to the user.
The utility model content
Technical problem to be solved in the utility model provides a kind of portable electric machine noise analysis instrument, integrates embedded technology and location, noise is tested, and humanized and energy-conservation.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of portable electric machine noise analysis instrument is provided, comprise motherboard circuit, described motherboard circuit links to each other with power supply, man-machine interaction circuit, communicating circuit and noise test circuit respectively, and described motherboard circuit also links to each other with locating module.Described power supply is used to the motherboard circuit power supply; Described man-machine interaction circuit is used to the user that identity is provided; Described communicating circuit is used for the analytical test result; Described noise test circuit is used for the testing of electric motors noise; Described locating module is used for obtaining horizontal range, difference in height and the angle information of described motor noise analyser and motor.
Described man-machine interaction circuit comprises be used to the camera testing circuit that obtains user's face feature.
Described man-machine interaction circuit comprises the touch screen circuitry for demonstration information and input information.
Described motherboard circuit also with for the barcode scanner that obtains motor information links to each other.
Described power supply is rechargeable battery and/or solar panel.
Described motherboard circuit, power supply, man-machine interaction circuit, communicating circuit and noise test circuit are installed in the enclosure.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art has following advantage and good effect:
The utility model is based on embedded system, database technology, and the support vector machine sorting algorithm has realized portable multifunctional motor noise analyser.Increase camera, can record whole test process, for later analysis investigation stays enough field datas.Add the recognition of face recognition function, can make analyser give its corresponding authority automatically according to user's authority automatically, allow or refuse it and revise corresponding systematic parameter.Add locating module, in test process, analyser shows it in real time and by the relative position of measured motor, makes things convenient for the user to place the motor noise analyser according to test request.Add the bar code scanning module, bar code that can sweep test is clicked in test process, record is made testing of electric motors corresponding one by one with test result by the numbering of measured motor.In test process, can gather environmental noise in advance, through carrying out pre-service with motor noise, can eliminate environmental noise to the influence of test result, improve measuring accuracy.Add the noise identification module, can the test noise be classified according to the support vector machine disaggregated model of sample training, solve and judge other difficult situation of noise-like by the tester merely.Increase the solar recharging module, realized analyser collection solar energy on every side, to the analyser charging, realized energy-saving and environment friendly, expanded the use occasion of this analyser.
Description of drawings
Fig. 1 is hardware configuration synoptic diagram of the present utility model;
Fig. 2 is front schematic view of the present utility model;
Fig. 3 is trailing flank synoptic diagram of the present utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only are used for explanation the utility model and are not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment of the present utility model relates to a kind of portable electric machine noise analysis instrument, as shown in Figure 1, comprise motherboard circuit, described motherboard circuit links to each other with power supply, man-machine interaction circuit, communicating circuit and noise test circuit respectively, and described motherboard circuit also links to each other with locating module.Described power supply is used to the motherboard circuit power supply; Described man-machine interaction circuit is used to the user that identity is provided; Described communicating circuit is used for the analytical test result; Described noise test circuit is used for the testing of electric motors noise; Described locating module is used for obtaining horizontal range, difference in height and the angle information of described motor noise analyser and motor.
Wherein, described man-machine interaction circuit comprises that be used to the camera testing circuit that obtains user's face feature described camera testing circuit can be according to test request, for the user records whole test process, make things convenient for the user to analyze investigation later on, can be positioned at the front end of analyser.Described man-machine interaction circuit comprises that touch screen circuitry can adopt arm processor S3C44BOX to realize for the touch screen circuitry of demonstration information and input information.Face recognition module and gesture identification module wherein can also be set in the man-machine interaction circuit, above-mentioned two modules can be according to facial image and gesture track judgement user's identity and authority, record the tester of each electromechanical testing work, and can judge user's rights of using, allow the user that the corresponding parameter of analyser is set according to authority.Described motherboard circuit comprises processor and controller, can adopt the TMS320C2XX family chip of TI company to realize.Motherboard circuit also with for the barcode scanner that obtains motor information links to each other, and barcode scanner can be encoded by scan module, makes test result and testing of electric motors corresponding one by one.Described communicating circuit comprises WLAN (wireless local area network) wifi module and USB module, make things convenient for the user test result to be transferred to terminals such as PC, test result is analyzed and is shared, wherein WLAN (wireless local area network) wifi module can realize by the RTL8188CUS chip, and the USB module can adopt the PL2303HX chip to realize.Described power supply is rechargeable battery and/or solar panel, and solar panel can be arranged at the case surface at the analyser back side, has taken full advantage of green energy resource---solar recharging reaches the theory of energy-conserving and environment-protective.Described noise test circuit comprises the noise input circuit, sound intensity testing circuit and noise identification circuit, this noise test circuit not only can be measured the sound intensity of motor noise, and can be according to support vector machine (SVM) disaggregated model after the training of noisy samples storehouse, the test noise is classified, to make things convenient for the user to judge that the reason of noise appears in motor, timely and reasonably motor is safeguarded the motor noise of the experience of eliminating the effects of the act.When measuring motor noise, can before starter motor, carry out pre-service to environmental noise, to eliminate environmental noise to the influence of measuring accuracy, expanded this analyser use occasion greatly.Wherein, the noise test circuit can adopt the TLC32046 chip to realize.Described locating module comprises distance test module and angle measurement module, makes things convenient for the user according to test request the motor noise analyser to be placed in place, and wherein, distance test module and angle measurement module can adopt the cx20106 chip to realize.
Described motherboard circuit, power supply, man-machine interaction circuit, communicating circuit and noise test circuit are installed in the enclosure.Shown in Figure 2 is the front of motor noise analyser, comprises touch screen module, the led lamp, and photosensitive sensor, camera, long by starting up's button and the long shutdown button of pressing.Shown in Figure 3 is the trailing flank of motor noise analyser, comprises USB interface and external charge interface.
Implementation process of the present utility model: be embedded OS with Linux, SQLite is database, and support vector machine (SVM) classifier designs the software systems of this motor noise analyser.
Function one: opening initialization, long by starting up's button, system boot, all storeies of system scan analyser, and all sample storehouses, systematic parameter, support vector machine disaggregated model etc. are recorded in the database, initialization relevant interface circuit is for later noise test is prepared with analysis.
Function two: recognition of face, when the facial image data of camera collection to the user, be transferred to face recognition module, after carrying out the 3D fusion treatment, extract the face characteristic value, all users' of this eigenwert and back-end data library storage face characteristic value is complementary, gives the user corresponding authority according to matching result.
Function three: the noise test, after the start of motor noise tester, microphone is gathered environmental noise automatically, and environmental noise is carried out pre-service, extracts eigenwert and the sound intensity of environmental noise; After testing of electric motors started, microphone was gathered noise, and compared with environmental noise, to filter out environmental noise to the influence of motor noise.Pretreated motor noise can extract the eigenwert of noise again with latent Ma Kekefu model according to the sound intensity of weighted sound meter principle calculating noise, and the support vector machine disaggregated model that the back basis has trained is classified to the test noise.
Function three: positioning function, this analyser back side and front respectively have two pairs of ultrasonic transmission/reception probes, utilize a pair of ultrasonic probe at the back side, can measure the difference in height on the relative ground of analyser when measuring, add the distance of two known probes, can calculate the angle of motor noise analyser and surface level; Utilize the ultrasonic probe that is symmetrical in the microphone both sides of front, can measure two probes to by the angle of the distance of measured motor and itself and analyser; In conjunction with above all data, use the trigonometric function formula, can calculate the horizontal range of analyser and motor, vertical range and angle, thus can make things convenient for the user rationally to arrange the position of motor noise analyser according to test request.
Function four: bar code scanning function, at first call the camera of analyser and take bar code, bar pattern is presented on the analyser, there are shortcomings such as uneven illumination is even, stained, distortion, inclination in the bar code image of taking according to camera, use suitable gray scale Processing Algorithm that the bar code of taking is rectified a deviation, adopt quick self-adapted threshold segmentation method that the mobile telephone bar code picture is carried out two-value then and separate.Use the sequential areas labeling algorithm that two-value bar code image connected region is carried out mark to filter out the zone of correct bar pattern simultaneously.After tentatively making the bar pattern zone, according to Data Matrix bar pattern, adopt the convex closure algorithm that bar code is carried out accurate localization.Obtain the bar pattern of standard at last according to the algorithm of bar pattern slant correction, use the RS error correcting code to decipher then and obtain the corresponding motor numbering of bar code.
Function five: the automatic charge function of sun power, just can charge to the motor noise analyser automatically daytime when solar radiation is to the solar charging panel of the analyser back side, takes full advantage of sun power, thereby reach effect in energy saving and environmental protection.
Function six: recording function, during test, the user can be according to demand, the recording function of start motor noise analyser, the record whole test process is for later analysis investigation work provides in-situ data.
Claims (6)
1. a portable electric machine noise analysis instrument comprises motherboard circuit, it is characterized in that, described motherboard circuit links to each other with power supply, man-machine interaction circuit, communicating circuit and noise test circuit respectively, and described motherboard circuit also links to each other with locating module; Described power supply is used to the motherboard circuit power supply; Described man-machine interaction circuit is used to the user that identity is provided; Described communicating circuit is used for the analytical test result; Described noise test circuit is used for the testing of electric motors noise; Described locating module is used for obtaining horizontal range, difference in height and the angle information of described motor noise analyser and motor.
2. portable electric machine noise analysis instrument according to claim 1 is characterized in that, described man-machine interaction circuit comprises be used to the camera testing circuit that obtains user's face feature.
3. portable electric machine noise analysis instrument according to claim 1 is characterized in that, described man-machine interaction circuit comprises the touch screen circuitry for demonstration information and input information.
4. portable electric machine noise analysis instrument according to claim 1 is characterized in that, described motherboard circuit also with for the barcode scanner that obtains motor information links to each other.
5. portable electric machine noise analysis instrument according to claim 1 is characterized in that, described power supply is rechargeable battery and/or solar panel.
6. portable electric machine noise analysis instrument according to claim 1 is characterized in that, described motherboard circuit, power supply, man-machine interaction circuit, communicating circuit and noise test circuit are installed in the enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320186505 CN203232104U (en) | 2013-04-15 | 2013-04-15 | Portable motor noise analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320186505 CN203232104U (en) | 2013-04-15 | 2013-04-15 | Portable motor noise analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203232104U true CN203232104U (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320186505 Expired - Fee Related CN203232104U (en) | 2013-04-15 | 2013-04-15 | Portable motor noise analyzer |
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| CN (1) | CN203232104U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658302A (en) * | 2016-11-02 | 2017-05-10 | 北京中星微电子有限公司 | Method of suppressing Pop noise in chip audio processing |
| CN112504437A (en) * | 2020-11-25 | 2021-03-16 | 杭州爱华仪器有限公司 | High-performance sound level meter based on linux operating system |
| CN112611446A (en) * | 2020-12-14 | 2021-04-06 | 杭州爱华仪器有限公司 | High-performance sound level meter based on ANDROID operating system |
-
2013
- 2013-04-15 CN CN 201320186505 patent/CN203232104U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658302A (en) * | 2016-11-02 | 2017-05-10 | 北京中星微电子有限公司 | Method of suppressing Pop noise in chip audio processing |
| CN106658302B (en) * | 2016-11-02 | 2020-01-03 | 北京中星微电子有限公司 | Method for suppressing Pop noise in chip audio processing |
| CN112504437A (en) * | 2020-11-25 | 2021-03-16 | 杭州爱华仪器有限公司 | High-performance sound level meter based on linux operating system |
| CN112611446A (en) * | 2020-12-14 | 2021-04-06 | 杭州爱华仪器有限公司 | High-performance sound level meter based on ANDROID operating system |
| CN112611446B (en) * | 2020-12-14 | 2023-06-02 | 杭州爱华仪器有限公司 | High-performance sound level meter based on ANDROID operating system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20160415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |